package org.yefei.homeworkday14;

import java.util.Scanner;

public class TestCircle {

	public static void main(String[] args) {
		Circle c = new Circle();
		Scanner in = new Scanner(System.in);
		System.out.println("请输入圆的半径：");
		Double r = in.nextDouble();
		c.setRadius(r);
		c.show();
	}
}
